# 格式化打印
a = 10
print(f"a = {a + 10}")

# 输入  str类型
# num = input('请输入一个整数:\n')
# print(type(num))
# print(f'num = {num}')

a = input('输入一个整数:')
b = input('输入一个整数:')

# str() float()
a = int(a)
b = int(b)
print(f"a + b = {a + b}")

